.hide{
	display: none;
}   

/*设置页面居中对齐*/
#photo-list {
   width:100%;  
   height:20%;  
   margin:15% auto; 
   /*溢出部份将被隐藏*/
   overflow:hidden;      
   /*border:1px dashed #ccc;  */
}  

#photo-list ul { 
	list-style:none;
}  
#photo-list li { 
	float:left; 
	padding-right:9px;
}  
#photo-list img { 
	width:155px;
	height:150px;
	border:1px solid #ddd; 
	background:#fff; 
	padding:2px;
}